Shark Tank Facts

The largest privately owned aquarium is in Saudi Arabia, holding 600,000 gallons of water. It was installed by Living Color.

Of the 307 known shark species, 50 are listed as vulnerable, endangered or critically endangered by the International Union for Conservation of Nature.

The Rosamond Gifford Zoo, in Syracuse, NY, has been in operation for nearly 100 years, first opening in 1914 on a 4-acre estate.

The giant Pacific octopus is an incredibly intelligent sea creature, documented as having learned how to open jars and solve mazes in lab tests.

The giant Pacific octopus has three hearts, one for circulating blood throughout its body and two for passing blood over the gills.

Some of the most common fish injuries in aquariums include nipped fins, missing scales, damaged eyes, abraded barbels and dislocated jaws.

Tropical waters are most commonly associated with the world’s best scuba diving, but the waters off British Columbia are considered the some of the best for scuba diving in North America.

In 2009, an octopus at a Santa Monica Aquarium actually disassembled a valve in her tank, releasing around 200 gallons of water into neighboring offices and exhibits.

"Like the other members of the octopus family… [giant Pacific octopi] use special pigment cells in their skin to change colors and textures, and can blend in with even the most intricately patterned corals, plants, and rocks."